Home / Standards / GB/T 39933-2021 GB/T 39933-2021 Active Rotational moulding—Test method for low temperature impact 滚塑成型 低温冲击试验 Standard Type GBT ICS 83.080.01 CCS G31 Status 现行 Issue Date 2021-03-09 Implementation 2021-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A